--- Please remark on any gaps you see, especially missing categories: I) Existence A) adopt a civil time standard B) no civil time standard II) Multiplicity A) a single international civil time standard B) multiple civil time standards III) Locale A) restrict focus to Earth B) Solar system-wide solution C) Universe-wide solution. IV) Synchronization A) Type 1) Solar 2) Atomic 3) Other (e.g., sidereal, lunar, dynamical, relativistic, ...) B) Overloading 1) None 2) Dual (e.g., UTC is synchronized to both Solar and Atomic scales) 3) Multiple (e.g., Earth+Mars+Atomic) C) Method 1) steps (I'm tired of the word "leap) a) arbitrary size b) fixed size i) second ii) minute iii) hour iv) other 2) rates ("rubber seconds") 3) both D) Triggering 1) manual (e.g., reset a clock by hand) 2) automatic E) Adjustment 1) discontinuity 2) time slice (e.g., UTS) F) Scheduling 1) as needed 2) fixed in advance G) Corrections 1) issued as table 2) issued as formula 3) implicit in method H) Optimization 1) remain within tolerance (e.g., 0.9s) 2) minimize figure of merit (e.g., DUT1) I) Frequency 1) continuously 2) daily 3) monthly 4) annually 5) decade 6) century 7) greater than a century J) Notification 1) monthly 2) six months 3) annually 4) decade 5) fifty years 6) surpriseReceived on Sat Aug 13 2005 - 13:32:06 PDT
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